Effect of Methylmethacrylate and Ethylenediamine on the Physicomechanical Properties of High Strength Portland Cement: Effect of Additives on Portland Cement. Pakistan Journal of Scientific & Industrial Research [Internet]. 2009 Dec. 28 [cited 2026 Mar. 10];52(6):293-5. Available from: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/569